管道规格DN150DN200DN250DN300DN350DN400DN500DN600管道外径管道内径管道密度(mm)(mm)(kg/m3)159150780021920778002732597800325309780037735978004208780052950978006306107800管道重(kg/m)17.0431.3245.6362.1481.1691.97127.18151.93保温材料厚度(mm)2525252525252525保温材料密保温材料重水重(kg/m)(kg/m)度(kg/m3)1201.7317.671202.3033.651202.8152.691203.3074.991203.79101.221204.25130.741205.22203.481206.17292.25总重(kg/m)36.4467.27101.12140.43186.17226.96335.88450.35焊接钢管（DN≤125）及无缝钢管规格表（DN＞125）公称直径外径壁厚内径mmmmmmm10172.2512.51521.32.7515.82026.82.7521.32533.53.25273242.33.2535.840483.150603.5537075.53.75688088.80.510011441061251404.51311501594.51502002196207250273725930032583093503779359400426940845047460500529105096006301061070072011698800820117900920126
